'''
Description:
Version: 2.0
Author: xuchaoxin
Date: 2021-02-01 16:40:42
LastEditors: xuchaoxin
LastEditTime: 2021-02-01 17:30:25
'''
from functools import reduce


def turnToInteger(x: int, y:int)->int:
    """[summary:turn the integer numbers to a big integer in sequence ]

    Args:
        x ([int ]): [integer element in the integer list(the function expression after the first invoke the function)]
        y ([int]):[the integer of the integer list y]
    Returns:
        [int]: [the turning result of the list y]
    """
    # print(x*10+y)
    # print("\n")
    return x*10+y


if __name__ == "__main__":
    print("print the result:"+str(reduce(turnToInteger, [1, 2, 3, 4])))
# open()